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    Sensirion AG Switzerland
    • Home
    • Environmental Sensors
      • Humidity Sensors
        • Digital Humidity Sensor SHT4x (RH/T)
        • Digital Humidity Sensor SHT3x (RH/T)
        • Digital Humidity Sensor SHT85 (RH/T)
        • Digital Humidity Sensor SHTC3 (RH/T)
        • Digital Humidity Sensor SHTC1 (RH/T)
        • Digital Humidity and Temperature Module SCC30-DB (RH/T)
        • SF2 Filter Cap
        • SHT31 Smart Gadget Development Kit
        • Digital Humidity Sensor SHTW2 (RH/T) (NRND)
      • Temperature Sensors
        • Temperature Sensor STS3x
        • Temperature Sensor STS32 / STS33
      • Multi-Pixel Gas Sensors SGP
        • VOC Sensor SGP40
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        • Multi-Gas, Humidity and Temperature Module SVM30 (NRND)
      • Particulate Matter Sensor SPS30
      • Carbon Dioxide Sensors
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        • Carbon Dioxide Sensor SCD30
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      • Formaldehyde Sensor SFA30

        Formaldehyde Sensing Made Easy

        The SFA30 is Sensirion’s new digital formaldehyde sensor designed for easy integration into air purifiers, demand-controlled ventilation systems, or indoor air quality monitors. Based on Sensirion’s electrochemical technology, the SFA30 offers excellent formaldehyde sensing performance with a uniquely low cross-sensitivity to other VOCs. The sensor module’s on-board SHT sensor provides accurate humidity and temperature readings and enables a fully temperature/humidity compensated and factory calibrated formaldehyde concentration output in ppb.

        More

    • Flow Sensors
      • Liquid Flow Meters
        • Lx – Compact Liquid Flow Meters
          • Liquid Flow Meter LG16
          • Liquid Flow Meter LG01
          • Liquid Flow Meter LS32-1500
        • SLx – Standalone Liquid Flow Meters
          • Liquid Flow Meter SLI
          • Liquid Flow Meter SLG
          • Liquid Flow Meter SLQ-QT105
          • Liquid Flow Meter SLQ-QT500
          • Liquid Flow Meter SLS-1500
        • Liquid Flow Sensor SLF3x
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      • Evaluation Kit SEK-Flow Sensing
      • Product Highlight

        Evaluation kit for the single-use liquid flow sensor LD20-2600B

        The LD20-2600B single-use liquid flow sensor for fast, precise and reliable measurements of the lowest flow rates in biomedical applications was successfully launched three years ago. The evaluation kit for this OEM liquid flow sensor can now also be purchased online via Sensirion's distribution network.

        Read more

    • Markets
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      • Our Markets

        Sensirion Markets Icons

        Experts for Smart Sensor Solutions

        Sensirion's sensors are used in a wide range of markets and different applications. Our high-quality environmental and flow sensors and sensor solutions improve energy efficiency and sustainability. They increase our safety, support our health and raise the quality of life. 

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      • Sensirion – The Sensor Company

        Sensirion Worldmap

        Sensirion Worldwide

        Founded in 1998 Sensirion has become the leading manufacturer of flow and environmental sensors solutions. The company now employs people in various countries such as the USA, South Korea, Japan, China, Taiwan, and Germany. The headquarters in Switzerland is responsible for research, development, and production. 

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      • Most Popular Employer in Switzerland 2019

        Learn more: www.sensirion.com/GPTW

         

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    • Developers
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    • Home
    • Environmental Sensors
    • Carbon Dioxide Sensors
    • Carbon Dioxide Sensor SCD30

    CO2 and RH/T Sensor Module

    SCD30 - Sensor Module for HVAC and Indoor Air Quality Applications

    CMOSens® Technology for IR detection enables highly accurate carbon dioxide measurement at a competitive price. Along with the NDIR measurement technology for CO2 detection, a best-in-class Sensirion humidity and temperature sensor is also integrated on the same sensor module. Ambient humidity and temperature can be outputted by Sensirion’s algorithm expertise through modeling and compensating of external heat sources without the requirement for any additional components.

    Thanks to the dual-channel principle for the measurement of carbon dioxide concentration, the sensor compensates for long-term drifts automatically by design. The very small module height allows easy integration into different applications.

    Carbon dioxide is a key indicator of indoor air quality. Thanks to new energy standards and better insulation, houses have become increasingly energy efficient, but the air quality can deteriorate rapidly. Active ventilation is needed to maintain a comfortable and healthy indoor environment, and to improve the well-being and productivity of the inhabitants. Sensirion’s SCD30 offers accurate and stable CO2, temperature and humidity monitoring. This enables customers to develop new solutions that increase energy efficiency and simultaneously support well-being.

    For more detailed information, please have a look at the datasheet.

    Click here to buy the SCD30 from our distribution network.


    Download Image

    Download Center

    Here you can find all documents of Sensirion's carbon dioxide sensor SCD30 for download.


    Sensor Module Specifications

    CO2 Sensor Specifications
    CO2 measurement range0 - 40'000 ppm
    Accuracy± (30 ppm + 3% MV)
    (25 °C, 400 - 10'000 ppm)
    Repeatability10 ppm
    Temperature stability2.5 ppm / °C (0-50 °C)
    Response time (t63)20 s
    Humidity Sensor Specifications
    Relative humidity measurement range0 - 100 % RH
    Typ accuracy±3% RH (0-100% RH)
    Repeatability0.1% RH
    Response time (t63)8 s
    Temperature Sensor Specifications
    Temperature measurement range-40 °C - 70 °C
    Typ accuracy (°C)± (0.4 °C + 0.023 x (T [°C] - 25°C))
    Repeatability (°C)0.1 °C
    Response time (t63)>10 s
    Electrical Specifications
    Supply voltage3.3 - 5.5 V
    Average current  @ 2s measurement rate19 mA
    Max. current75 mA
    • Specification Overview SCD30

    How You Benefit from Our Technology

    BenefitsTechnology

    Accurate and reliable CO2 measurement

    NDIR measurement principle

    Superior long-term stability

    Built-in reference channel

    Best temperature stability

    Temperature compensation of CO2 sensor signal

    Best performance-to-price ratio

    Inhouse detector based on Sensirion's CMOSens® Technology

    Saves effort regarding system design and qualification

    On-board temperature and humidity sensor

    Easy interfacing and read-out

    Fully calibrated and linearized. UART and I2C interface


    Test Our Environmental Sensors with Sensirion's Evaluation Kit

    With plug-and-play hardware, user-friendly viewer software and compatibility with all environmental sensors, SEK-Environmental Sensing makes evaluation easier and faster than ever before. This allows our customers to focus on developing innovative sensor applications.

    Learn more


    CO2, RH and T Sensor SCD40

    Sensirion once again proves to be a pioneer in innovation for environmental sensor solutions: The SCD40 represents the first CO2 and RH/T sensor in miniature format, which impresses with a space requirement of only one cubic centimeter. This disruptive innovation is based on Sensirion's PASens® Technology and combines minimum size with maximum performance. The SCD40 opens up numerous new possibilities for integration and application. Because of its unmatched size and its unprecedented price-performance ratio, the SCD40 is the sensor of choice for today’s and future CO2 sensing markets such as IoT, automotive, HVAC, appliances and consumer goods. Click here to learn more about the SCD40.

    Size comparison of SCD30 (NDIR) and SCD40 (PASens® Technology)

    Environmental Sensing

    Environmental conditions have a major impact on our well-being, comfort, and productivity. Sensirion’s sensor solutions provide detailed and reliable data on key environmental parameters such as humidity, temperature, volatile organic compounds (VOCs), particulate matter (PM2.5), and CO2. Environmental Sensing opens up new possibilities to create smarter devices that improve our comfort and well-being as well as increase energy efficiency in a wide variety of applications.

    We accompany you through the entire product development process, from the initial idea to product launch and beyond. Our expertise ranges from prototype construction, design-in support and use-case development to inline testing at the mass production stage.

    More about environmental sensing

    Sensirion Environmental Sensing Infographic

    Related Products

    Sensirion Environmental Sensing Gas Preview

    VOC Sensor SGP30 / SGPC3 (NRND)

    The SGPxx is a digital multi-pixel gas sensor platform designed for easy integration into air purifier, demand-controlled ventilation, and IoT applications.

    Particulate Matter Sensor SPS30

    The SPS30 particulate matter (PM) sensor enables accurate measurements from the device’s first operation and throughout its lifetime of more than eight years.

    Sensirion Humidity Sensors SHTW2

    Digital Humidity Sensor SHTW2 (RH/T) (NRND)

    The ultra-small, digital 1.8 V SHTW2 humidity sensor convinces with its low power consumption and proven performance. Therefore it opens up countless opportunities for the Internet of Things.

    Sensirion Humidity Sensors SHT3x

    Digital Humidity Sensor SHT3x (RH/T)

    The SHT3x humidity sensor is the established industry standard thanks to its performance, range of variants, and features.

    Technical Documents

    • Datasheet SCD30
    • Assemby Guidelines SDC30
    • STEP File SCD30
    • Interface Description SCD30
    • RoHS and REACH Declaration CO2

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